Sansui AU 777A Service Manual

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OPERATING INSTRUCTIONS
& SERVICE MANUAL

SOLID-STATE STEREO AMPLIFIER

SANSUI All-777A

SANSUI ELECTRIC COMPANY LIMITED

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Thank you for selecting the Sansui AU-777A Solid State Stereo-
phonic Amplifier, an excellent choice that will become more ap
parent after years of rich stereo listening.

Sansui is known throughout the world for the unsurpassed quality
of its audio equipment line, be it a preAmain amplifier, 3 multiplex
stereo receiver, a speaker system, a turntable or a stereo head-
phone set, and takes the greatest efforts to merit and maintain
this reputation.

The AU-777A is no exception. Not a single detail has been
overlooked in bringing this unit to you in perfect operating condi-
tion.

This manual has been prepared to aid you in keeping the AU-
777A working perfectly. Please read the contents of this manual
carefully before Installing or operating the amplifier.

You will then be able to enjoy the world's highest standards of
sound reproduction to the fullest.

CONTENTS

SWITCHES AND CONTROLS ............................ 3, 4, 5, 6
OPERATIONS .................................................... 7, 8
#SPEAKER CONNECTION
-RECORD PLAYING
-MICROPHONE
OPERATIONS .................................................... 9, 10
-RADIO RECEPTION
-TAPE PLAYBACK
-TAPE RECORDING

ELECTORONIC CROSSOVER SYSTEM .................. 11, 12
THREE-CHANNEL STEREO .................................... 13
MAINTENANCE .......................................... 14,15, 16
SPECIFICATIONS .................................................. 17
CHARACTERISTICS .............................................. 18
TROUBLESHOOTING CHART .............................. 19, 20
CUSTOM MOUNTING ........................................ 21, 22
PARTS LAYOUT .................................................. 23
BLOCK AND LEVEL DIAGRAM ................................ 24
ALIGNMENT
-TEST POINT .................................................. 25
-MAIN-AMP SECTION OUTPUT, CURRENT
ADJUSTMENT .............................. 26
PRINTED CIRCUIT SHEETS AND
PARTS LIST ............ 27, 28, 29, 30, 31, 32

OTHER PARTS CHART AND LIST ........................ 33, 34

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S . SANSUI ELECTRIC COMPANY LIMITED

Head OWIce; 144, 2-(home, Ixumi, SuginamiJm, Tokyo, Japan. TEL. 323-11

Primed In Japan 3|400M3